84842340 has 48 divisors (see below), whose sum is σ = 259156800. Its totient is φ = 20567680.

The previous prime is 84842299. The next prime is 84842383. The reversal of 84842340 is 4324848.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63615 + ... + 64934.

It is an arithmetic number, because the mean of its divisors is an integer number (5399100).

Almost surely, 2^84842340 is an apocalyptic number.

It is an amenable number.

84842340 is an abundant number, since it is smaller than the sum of its proper divisors (174314460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84842340 is a wasteful number, since it uses less digits than its factorization.

84842340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128572 (or 128570 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 84842340 is about 9210.9901747858. The cubic root of 84842340 is about 439.4109541967.

The spelling of 84842340 in words is "eighty-four million, eight hundred forty-two thousand, three hundred forty".